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Security system for a marine vessel

a technology for security systems and marine vessels, applied in the direction of securing communication, electrical devices, program control, etc., can solve problems such as mismatched conditions

Inactive Publication Date: 2006-09-12
BRUNSWICK CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a method for detecting unauthorized devices in a marine vessel system and a security system for preventing unauthorized devices from operating the system. The method involves receiving an identification signal from a first device and comparing it to an expected value associated with the first device. If there is a mismatch, indicating that the first identification signal does not conform to the expected value, an alarm or disabling of the system may be initiated. The method can be used in conjunction with a common signal bus, such as a CAN bus, and can be used to detect unauthorized devices such as engine control modules or security modules. The technical effect of the invention is to enhance security and prevent unauthorized devices from operating the marine vessel system.

Problems solved by technology

Alternatively, a mismatched condition can occur when no first identification signal is received within a preselected time after it is expected.

Method used

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  • Security system for a marine vessel
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  • Security system for a marine vessel

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Embodiment Construction

[0027]Throughout the description of the preferred embodiment of the present invention, like components will be identified by like reference numerals.

[0028]FIG. 1 is a highly schematic representation of a marine vessel system in which various devices are connected in signal communication with a serial communication bus 10. The serial communication bus 10 can be a CAN system such as the one described in U.S. Pat. No. 6,273,771. In the illustration of FIG. 1, a propulsion control module 12 of an outboard motor 14 is connected, by a communication link 16, to the bus 10. For purposes of illustration, a global positioning system (GPS) 20 is also shown connected to the bus 10 along with a monitor 24 that can be configured to provide information to the operator of a marine vessel relating to various parameters of the vessel and its marine propulsion system. A security module 30 is connected to the bus 10 by a communication link 32.

[0029]With continued reference to FIG. 1, the propulsion con...

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PUM

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Abstract

A security system for a marine vessel uses identification values to ascertain whether or not the devices used in a marine vessel control system are those which are expected. If an identification value is received by one device from another device, appropriate operation of the devices is permitted. However, if an incorrect identification value is received or no identification value is received, continued operation of the marine propulsion system is disabled.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention generally relates to a security system for a marine vessel and, more particularly, to a system in which two or more devices communicate with each other to ascertain whether or not there is an improper combination of devices associated with the marine vessel system or whether a required device is absent from connection to the system.[0003]2. Description of the Prior Art[0004]Many different types of security systems are well known to those skilled in the art. These systems are typically configured to prevent, inhibit, or detect the theft or attempted theft of a component or an entire system. Some of these security systems are associated with marine vessels.[0005]U.S. Pat. No. 4,058,792, which issued to Soltesz on Nov. 15, 1977, describes a ship security system. The security system comprises an electromechanical apparatus that is sensitive to substantial changes in the position or orientation of a flo...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B63H23/00
CPCB63J99/00B63B2017/0009
Inventor GONRING, STEVEN J.BRADLEY, KEVIN W.
Owner BRUNSWICK CORPORATION
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